Figure 2From: Supplementary feeding affects the breeding behaviour of male European treefrogs (Hyla arborea)Number of nights between treatment and return. Number of nights between the treatment night of the males and the first night, they returned to the chorus in 2002 according to their treatment group (Fed1 + Fed2 (Fed); control); median, 1. and 3. quartile and also outlier are shown; the values insight the figure indicates the sample size.Back to article page